71978365

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 93985920

約数和(自身を除く): 22007555

約数列:

[1, 5, 19, 73, 95, 97, 107, 365, 485, 535, 1387, 1843, 2033, 6935, 7081, 7811, 9215, 10165, 10379, 35405, 39055, 51895, 134539, 148409, 197201, 672695, 742045, 757667, 986005, 3788335, 14395673, 71978365]

約数ペア:

[(1, 71978365), (5, 14395673), (19, 3788335), (73, 986005), (95, 757667), (97, 742045), (107, 672695), (365, 197201), (485, 148409), (535, 134539), (1387, 51895), (1843, 39055), (2033, 35405), (6935, 10379), (7081, 10165), (7811, 9215)]